Mason County, IL: Current UV Index and Hourly Forecast

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As of 9:01 AM CDT on October 9, 2025, all 10 cities in Mason County, IL in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Havana, IL with a reading of 0.7.

Over the next 24 hours, the highest UV Index reading in Mason County, IL is expected to be 4.8 in Havana between 1:00 PM - 2:00 PM CDT today.

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Current UV Index in Cities in Mason County, IL

• Bath - 0.7
• Easton - 0.7
• Forest City - 0.7
• Goofy Ridge - 0.7
• Havana - 0.7
• Kilbourne - 0.7
• Manito - 0.7
• Mason City - 0.7
• San Jose - 0.7
• Topeka - 0.7